// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_OWNER_DELEGATE_H_
#define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_OWNER_DELEGATE_H_

#include "content/common/content_export.h"

namespace IPC {
class Message;
}

namespace blink {
class WebMouseEvent;
}

namespace content {

struct NativeWebKeyboardEvent;

//
// RenderWidgetHostOwnerDelegate
//
//  An interface implemented by an object owning a RenderWidgetHost. This is
//  intended to be temporary until the RenderViewHostImpl and
//  RenderWidgetHostImpl classes are disentangled; see http://crbug.com/542477
//  and http://crbug.com/478281.
class CONTENT_EXPORT RenderWidgetHostOwnerDelegate {
public:
    // The RenderWidgetHost received an IPC message. Return true if this delegate
    // handles it.
    virtual bool OnMessageReceived(const IPC::Message& msg) = 0;

    // The RenderWidgetHost has been initialized.
    virtual void RenderWidgetDidInit() = 0;

    // The RenderWidgetHost will be setting its loading state.
    virtual void RenderWidgetWillSetIsLoading(bool is_loading) = 0;

    // The RenderWidgetHost got the focus.
    virtual void RenderWidgetGotFocus() = 0;

    // The RenderWidgetHost forwarded a mouse event.
    virtual void RenderWidgetDidForwardMouseEvent(
        const blink::WebMouseEvent& mouse_event)
        = 0;

    // The RenderWidgetHost wants to forward a keyboard event; returns whether
    // it's allowed to do so.
    virtual bool MayRenderWidgetForwardKeyboardEvent(
        const NativeWebKeyboardEvent& key_event)
        = 0;

protected:
    virtual ~RenderWidgetHostOwnerDelegate() { }
};

} // namespace content

#endif // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_OWNER_DELEGATE_H_
